220145338

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 398847240

約数和(自身を除く): 178701902

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 109, 218, 259, 518, 557, 763, 1114, 1526, 1813, 3626, 3899, 4033, 5341, 7798, 8066, 10682, 20609, 27293, 28231, 41218, 54586, 56462, 60713, 121426, 144263, 197617, 288526, 395234, 424991, 849982, 1009841, 2019682, 2246381, 2974937, 4492762, 5949874, 15724667, 31449334, 110072669, 220145338]

約数ペア:

[(1, 220145338), (2, 110072669), (7, 31449334), (14, 15724667), (37, 5949874), (49, 4492762), (74, 2974937), (98, 2246381), (109, 2019682), (218, 1009841), (259, 849982), (518, 424991), (557, 395234), (763, 288526), (1114, 197617), (1526, 144263), (1813, 121426), (3626, 60713), (3899, 56462), (4033, 54586), (5341, 41218), (7798, 28231), (8066, 27293), (10682, 20609)]